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The price tag of a ton of HMA — sans recycled asphalt — depends on that of the oil and aggregate used during production, Jenkins said. As of Thursday, a ton of non-RAP HMA costs $110.58 for ...
Asphalt batch mix plant A machine laying asphalt concrete, fed from a dump truck. Asphalt concrete (commonly called asphalt, [1] blacktop, or pavement in North America, and tarmac or bitumen macadam in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. [2]
Hot in-place recycling: Bituminous pavement is heated to 120–150 °C (250–300 °F), milled, combined with a rejuvenating agent and/or virgin asphalt binder, and compacted. It may then be overlaid with new asphalt concrete. [ 37 ]
Old asphalt and base materials are pulverized using a specialized machine called a reclaimer. On top of the pulverized material, water is added to reach the optimal moisture content for compaction and then a variety of materials, such as dry cement , lime , fly ash , or asphalt emulsion are incorporated for stabilization .
Asphalt road being milled in preparation for repaving. Pavement milling (cold planing, asphalt milling, or profiling) is the process of removing at least part of the surface of a paved area such as a road, bridge, or parking lot. Milling removes anywhere from just enough thickness to level and smooth the surface to a full depth removal.
When asphalt pavement material is reclaimed for reuse, it is able to replace both virgin aggregates and virgin asphalt binder. Similarly, asphalt roof shingles can be recycled for use in new asphalt pavements. [2]
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